202012000020202 has 4 divisors (see below), whose sum is σ = 303018000030306. Its totient is φ = 101006000010100.

The previous prime is 202012000020199. The next prime is 202012000020209. The reversal of 202012000020202 is 202020000210202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 199977808105201 + 2034191915001 = 14141351^2 + 1426251^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (202012000020209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50503000005049 + ... + 50503000005052.

Almost surely, 2^{202012000020202} is an apocalyptic number.

202012000020202 is a deficient number, since it is larger than the sum of its proper divisors (101006000010104).

202012000020202 is a wasteful number, since it uses less digits than its factorization.

202012000020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101006000010103.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 202012000020202 its reverse (202020000210202), we get a palindrome (404032000230404).

The spelling of 202012000020202 in words is "two hundred two trillion, twelve billion, twenty thousand, two hundred two".